Ajace- Some of my friends do not take the lines up . The heavy shaker that I use is too hard to manipulate in between these lines. . It will crush any of it if you happen to run over it. It is as big as a 1 ton truck and you usually shake a tree from 2 sides. Hard to manipulate it in between these lines. All of it above ground. My trunk or water deliver lines are 1 1/4 PVC. They go down have way and make a tee across my complete orchard. The 16 MM (1/2") are the water deliver lines. They come out from the 1 1/4 line that is teed across the orchard. There is one every 40 foot. That is the spacing of the trees . On small trees the trees get their water from only one line. On the large trees they get water from 3 lines---one line that goes by the tree and a line on each side. The PVC 1 1/2 lines are cut in 209 foot joints, ends sealed with tape stacked and stored for next year. The 16mm are rolled up after the Micro sprinklers are taken off. Takes a lot of work but I reuse them and use them for several years. I am going to send Marshall a picture of the system working and get him to put it on the forum. My explanation may have made it worse but the picture will clear it up-----Your friend--Will
Will--sometimes called pecanmanwill